From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Subject: Re: [PATCH 06/20] drm/i915/icl: Ringbuffer interrupt
 handling
Date: Tue, 13 Feb 2018 10:44:37 -0800
Message-ID: <9a05a616-2172-9c09-fee6-1040c64e3655@intel.com>
References: <20180213163738.9055-1-mika.kuoppala@linux.intel.com>
 <20180213163738.9055-7-mika.kuoppala@linux.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 0E195880F0
 for <intel-gfx@lists.freedesktop.org>; Tue, 13 Feb 2018 18:44:38 +0000 (UTC)
In-Reply-To: <20180213163738.9055-7-mika.kuoppala@linux.intel.com>
Content-Language: en-US
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Mika Kuoppala <mika.kuoppala@linux.intel.com>, intel-gfx@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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